var h = document.querySelector("#h");
var xs = document.querySelector("#xs");
var fz = document.querySelector("#fz");
var m = document.querySelector("#m");
var t2 = setInterval(function () {
    var i = new Date();
    xs = i.getHours();
    fz = i.getMinutes();
    m = i.getSeconds();
    h.innerHTML =(23-xs)+':'+(59-fz)+':'+(60-m);
},1000);

